nimble/ll: Add CS Start procedure

Author: mkasenberg

nimble/controller/include/controller/ble_ll_cs.h

@@ -34,6 +34,7 @@ void ble_ll_cs_reset(void);
 void ble_ll_cs_capabilities_pdu_make(struct ble_ll_conn_sm *connsm, uint8_t *dptr);
 void ble_ll_cs_config_req_make(struct ble_ll_conn_sm *connsm, uint8_t *dptr);
 void ble_ll_cs_security_req_make(struct ble_ll_conn_sm *connsm, uint8_t *dptr);
+void ble_ll_cs_start_req_make(struct ble_ll_conn_sm *connsm, uint8_t *dptr);
 
 int ble_ll_cs_rx_capabilities_req(struct ble_ll_conn_sm *connsm, uint8_t *dptr, uint8_t *rspbuf);
 void ble_ll_cs_rx_capabilities_rsp(struct ble_ll_conn_sm *connsm, uint8_t *dptr);
@@ -47,6 +48,10 @@ void ble_ll_cs_rx_config_req_rejected(struct ble_ll_conn_sm *connsm, uint8_t ble
 int ble_ll_cs_rx_security_req(struct ble_ll_conn_sm *connsm, uint8_t *dptr, uint8_t *rspbuf);
 void ble_ll_cs_rx_security_rsp(struct ble_ll_conn_sm *connsm, uint8_t *dptr);
 void ble_ll_cs_rx_security_req_rejected(struct ble_ll_conn_sm *connsm, uint8_t ble_error);
+int ble_ll_cs_rx_cs_start_req(struct ble_ll_conn_sm *connsm, uint8_t *dptr, uint8_t *rspbuf);
+int ble_ll_cs_rx_cs_start_rsp(struct ble_ll_conn_sm *connsm, uint8_t *dptr, uint8_t *rspbuf);
+int ble_ll_cs_rx_cs_start_ind(struct ble_ll_conn_sm *connsm, uint8_t *dptr, uint8_t *rspbuf);
+void ble_ll_cs_rx_cs_start_rejected(struct ble_ll_conn_sm *connsm, uint8_t ble_error);
 
 /* HCI handlers */
 int ble_ll_cs_hci_rd_loc_supp_cap(uint8_t *rspbuf, uint8_t *rsplen);

nimble/controller/include/controller/ble_ll_ctrl.h

@@ -47,7 +47,8 @@ extern "C" {
 #define BLE_LL_CTRL_PROC_CS_FAE_REQ     (15)
 #define BLE_LL_CTRL_PROC_CS_CONF        (16)
 #define BLE_LL_CTRL_PROC_CS_SEC_START   (17)
-#define BLE_LL_CTRL_PROC_NUM            (18)
+#define BLE_LL_CTRL_PROC_CS_START       (18)
+#define BLE_LL_CTRL_PROC_NUM            (19)
 #define BLE_LL_CTRL_PROC_IDLE           (255)
 
 /* Checks if a particular control procedure is running */